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Media : Mineral Oils, Emulsions, HFA, Air
Design : U-Shape, Split Angle-Cut
Type : Guide Ring, Wear Ring
Payment Terms : T/T
Diameter Range : 10mm~1800mm
Speed : 3m/s
Name : Nylon Wear Rings
Temperature : -40°C to +260°C
MOQ : 10
Certification : ISO9001, IATF16949, ISO14001, ISO45001
Seal Type : Guide Elements / Wear Rings
Place of Origin : China(mainland)
Profile : FI / WR
Features : Easy Install, Dry Running, Fluid Compatible
Application : Hydraulic Cylinder, Mining, Construction
Material : HPU, NBR (Std) / HNBR, FKM
Model Number : FI
Nylon Wear Rings Inside Bearing FA
The FI guide ring is engineered primarily for piston rod applications. It provides a robust bearing surface between the cylinder rod and the housing, effectively avoiding direct metal-to-metal contact. The FI wear ring delivers exceptional durability. It features a U-shaped cross-section and a split (angle-cut) design, the guide ring can be spirally compressed inward for effortless installation into the rod housing. Once inside, it snaps back into place, securing itself perfectly within the groove. This specialized groove layout ensures zero axial movement during operation. It can be used either individually or stacked in series to handle heavy-duty applications. The total number of wear rings required depends on the expected radial or side loads.
| FI / WR Profile | Material | Elastomer ① | |
|
Standrad | HPU, NBR | |
| Special (upon request) | HNBR, FKM |
| Pressure | Speed | Temperature | Media |
| - | 3m/s |
–40° C / +100° C (PA/POM) -55° C / +260° C (PTFE+BRONZE) |
mineral-oil-based hydraulic fluids, water-oil emulsions, fire-resistant hydraulic fluids, and compressed air |

| PN | d | D | D1 | H | c | a |
| FI-0180 | 18 | 24 | 21 | 19 | 6 | 6.5 |
| FI-0200 | 20 | 26 | 23 | 19 | 6 | 6.5 |
| FI-0220 | 22 | 28 | 25 | 19 | 6 | 6.5 |
| FI-0250 | 25 | 31 | 28 | 19 | 6 | 6.5 |
| FI-0280 | 28 | 34 | 31 | 19 | 6 | 6.5 |
| FI-0300 | 30 | 36 | 33 | 19 | 6 | 6.5 |
| FI-0360 | 36 | 42 | 39 | 19 | 6 | 6.5 |
| FI-0400 | 40 | 46 | 43 | 19 | 6 | 6.5 |
| FI-0420 | 42 | 48 | 45 | 19 | 6 | 6.5 |
| FI-0450 | 45 | 51 | 48 | 19 | 6 | 6.5 |
| FI-0500 | 50 | 56 | 53 | 19 | 6 | 6.5 |
| FI-0550 | 55 | 61 | 58 | 19 | 6 | 6.5 |
| FI-0560 | 56 | 62 | 59 | 19 | 6 | 6.5 |
| FI-0600 | 60 | 70 | 65 | 24 | 7 | 8.5 |
| FI-0630 | 63 | 73 | 68 | 24 | 7 | 8.5 |
| FI-0650 | 65 | 75 | 70 | 24 | 7 | 8.5 |
| FI-0700 | 70 | 80 | 75 | 24 | 7 | 8.5 |
| FI-0720 | 72 | 82 | 77 | 24 | 7 | 8.5 |
| FI-0750 | 75 | 85 | 80 | 24 | 7 | 8.5 |
| FI-0800 | 80 | 90 | 85 | 24 | 7 | 8.5 |
| FI-0850 | 85 | 95 | 90 | 24 | 7 | 8.5 |
| FI-0900 | 90 | 100 | 95 | 24 | 7 | 8.5 |
| FI-0950 | 95 | 105 | 100 | 24 | 7 | 8.5 |
| FI-0960 | 96 | 106 | 101 | 24 | 7 | 8.5 |
| FI-1000 | 100 | 110 | 105 | 24 | 7 | 8.5 |
| FI-1050 | 105 | 115 | 110 | 24 | 7 | 8.5 |
| FI-1100 | 110 | 120 | 115 | 24 | 7 | 8.5 |
| FI-1150 | 115 | 125 | 120 | 24 | 7 | 8.5 |
| FI-1200 | 120 | 130 | 125 | 24 | 7 | 8.5 |
| FI-1250 | 125 | 135 | 130 | 24 | 7 | 8.5 |
| FI-1300 | 130 | 140 | 135 | 24 | 7 | 8.5 |
| FI-1400 | 140 | 150 | 145 | 24 | 7 | 8.5 |
| FI-1500 | 150 | 162 | 156 | 35 | 15 | 10 |
| FI-1550 | 155 | 167 | 161 | 35 | 15 | 10 |
| FI-1600 | 160 | 172 | 166 | 35 | 15 | 10 |
| FI-1650 | 165 | 177 | 171 | 35 | 15 | 10 |
| FI-1700 | 170 | 182 | 176 | 35 | 15 | 10 |
| FI-1800 | 180 | 192 | 186 | 35 | 15 | 10 |
| FI-1900 | 190 | 202 | 196 | 35 | 15 | 10 |
| FI-2000 | 200 | 212 | 206 | 35 | 15 | 10 |
| FI-2200 | 220 | 232 | 226 | 35 | 15 | 10 |
| FI-2250 | 225 | 237 | 231 | 35 | 15 | 10 |
| FI-2400 | 240 | 252 | 246 | 35 | 15 | 10 |
| FI-2500 | 250 | 262 | 256 | 35 | 15 | 10 |
| FI-2600 | 260 | 272 | 266 | 35 | 15 | 10 |
| FI-2800 | 280 | 292 | 286 | 35 | 15 | 10 |
| FI-2900 | 290 | 302 | 296 | 35 | 15 | 10 |
| FI-3000 | 300 | 312 | 306 | 35 | 15 | 10 |
| FI-3200 | 320 | 332 | 326 | 35 | 15 | 10 |
| FI-3500 | 350 | 362 | 356 | 35 | 15 | 10 |
| FI-3600 | 360 | 372 | 366 | 35 | 15 | 10 |
| FI-3800 | 380 | 392 | 386 | 35 | 15 | 10 |
| FI-4000 | 400 | 412 | 406 | 35 | 15 | 10 |
| FI-4150 | 415 | 427 | 421 | 35 | 15 | 10 |
| FI-4200 | 420 | 432 | 426 | 35 | 15 | 10 |
| FI-4250 | 425 | 437 | 431 | 35 | 15 | 10 |
| FI-4500 | 450 | 462 | 456 | 35 | 15 | 10 |
| FI-4800 | 480 | 492 | 486 | 35 | 15 | 10 |
| FI-5000 | 500 | 512 | 506 | 35 | 15 | 10 |
| FI-5600 | 560 | 572 | 566 | 35 | 15 | 10 |
| FI-6000 | 600 | 612 | 606 | 35 | 15 | 10 |
| FI-6300 | 630 | 642 | 636 | 35 | 15 | 10 |
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Easy Install Nylon Wear Rings Wear Resistant Inside Bearing Guide Elements Images |